FLAG-RIG-I and FLAG-GFP, cloned into the pcDNA5 FRT/TO vector, have been previously described10 (link). pCMV6-Entry plasmids encoding Myc-DDK-tagged human RPL5, MRPL18, and TST were purchased from OriGene. The DNA construct encoding U6 promoter-expressed RNA5SP141 was generated by PCR using the following forward (F) and reverse (R) primers: F1 primer: 5′-TGGAAAGGACGAAACACCGTCTACGGCCATACCACCCTGAACGCGCCCGATCTCGTC-3′; F2 primer: 5′-CGCGCCCGATCTCGTCTGATCTCGGAAGCTAAGCAGGGTTGGGCCTGGTTAGTACTTGGATGGGAGAAATACATCCAAAAACACGATGACTCACATG-3′; R primer: 5′-CATGTGAGTCATCGTGTTTTTGGATG-3′. The DNA construct encoding U6 promoter-expressed RABVINT was generated using the following F and R primers: F1 primer: 5′-TGGAAAGGACGAAACACCGGGCCAGGATGGCGGCTCAAACTGCTTCTGGCCCTCCAGCCCTTGAATGGTCGGCCACC-3′; R primer: 5′-GGTGGCCGACCATTCAAGGGCT-3′.
Transient transfection of cells was performed using calcium phosphate (Clontech), linear polyethylenimine (PEI (Polysciences, Inc.) at 1 mg/ml in 10 mM Tris pH 6.8), Lipofectamine and Plus reagent or Lipofectamine 2000 (both Life Technologies), according to the manufacturer’s instructions.